Abstract: A method performed by a computing device for characterizing dynamic radio signals in a radiofrequency environment including: a receiving entity, configured to collect the radio signals in the environment, a source entity in movement and emitting said radio signals in the environment, the method including: receiving data related to current measurements of the radio signals collected by the receiving entity, determining data related to source parameters depending on the source entity, determining data related to environment parameters depending on the radiofrequency environment, determining updated values of the source parameters and of the environment parameters by computing a similarity value between: the data related to the current measurements, and the data related to the source parameters and to the environment parameters, characterizing the radio signals in the environment based on the updated values of the source parameters and of the environment parameters.

Abstract: A method in a system comprising a resource scheduler and a set of devices is disclosed. Each device hosts at least one application, each application transmitting a stream of messages to at least one receiver. The method comprises: —obtaining, for each stream, parameters comprising one message lifetime, one message period and a last buffering time of a message of said stream before a given time window starts; —deducing a set of configurations of said streams in said time window; —computing, for each configuration, one configuration-based resource usage ratio per each stream; —transmitting data to the resource scheduler, said data comprising each configuration with its computed set of configuration-based resource usage ratios.

Abstract: A method implemented by a user equipment to access a satellite network, at least one satellite of the satellite network being in movement relatively to Earth, the satellite network deploying radiofrequency satellite beams, wherein the user equipment: receives through at least a first satellite beam data of assistance information regarding at least current and future satellite beams of the network, interprets the data of assistance information to anticipate: connection conditions through the first satellite beam, and connection conditions through at least one second satellite beam, different from the first satellite beam, decides the access to the satellite network through a satellite beam among the first satellite beam and the second satellite beam, selected on the basis of at least the connection conditions through the first and second satellite beams, and implements a RACH procedure through the selected satellite beam.

Abstract: The invention relates to a method to transmit by a user equipment a response packet (BWP) in response to a received packet (FWP)(S36) received from another user equipment in a D2D communication, comprising: Receive from the another user equipment by the user equipment the received packet (FWP); Perform by the user equipment radio resource selection used to transmit the response packet (BWP), the radio resources selected are selected among radio resources in a selection window such as the delay between the reception of the received packet and a last radio resource of the radio resources in the selection window is dependent on a time duration related to the received packet (FWP); Send by the user equipment to the another user equipment the response packet using at least one resource among the selected radio resources.

Abstract: For determining the location of a transmitter in an environment comprising at least one receiver, the disclosure provides: —Obtaining geometrical information related to said environment representative of a 3D model, —Receiving a signal at said receiver and measuring at least one angle of arrival “AoA” of said signal, and —Based on said measurements: •Computing statistical properties of AoA and •Using said 3D model and said statistical properties of AoA for obtaining paths with associated respective weights; and —using said paths with associated weights to estimate the location of said transmitter.

Abstract: A method comprising: Obtaining observations Z_n, and building an observation vector Z=[Z_1, . . . , Z_n, . . . , Z_N], Defining a latent variable V_n, to build a vector of latent variables V=[V_1, . . . , V_n, . . . , V_N], and Implementing a Dirichlet process involving a Gibbs sampling with a Markov chain, the sampling being repeated as follows until convergence: For n?1, . . . , N, if the observation Z_n is associated to a source, remove observation Z_n from a source corresponding to latent variable V_n, and retrieve a position posterior of this source as the observation Z_n is belonging to this source; Draw a new value of latent variable V_n, based on a conditional probability; Associate the observation Z_n to the source, and update the posterior distribution of the position for the source, and, upon convergence of the algorithm, operating a separation of the interfering sources into K independent measurement sets, and an estimation of each source position.

Abstract: The present invention relates to a method implemented by a user equipment to determine a value to be used as a timing advance in a target cell in a network comprising a satellite communication network, said method comprising: determining the value to be used as a timing advance in a target cell, before the user equipment transmits a first signal to a target base station, based on: a data related to a timing advance in a source cell, a first parameter, said first parameter being determined by the user equipment, and a second parameter, said second parameter being specific to a couple of cells formed by the source cell and the target cell.

Abstract: A method in a system comprising a resource scheduler and a set of devices is disclosed. Each device hosts at least one application, each application transmitting a stream of messages to at least one receiver. The method comprises: —obtaining, for each stream, parameters comprising one message lifetime, one message period and a last buffering time of a message of said stream before a given time window starts; —deducing a set of configurations of said streams in said time window; —computing, for each configuration, one configuration-based resource usage ratio per each stream; —transmitting data to the resource scheduler, said data comprising each configuration with its computed set of configuration-based resource usage ratios.

Abstract: The invention relates to a method for determining a topology of a time-sensitive network model of a wireless bridge handling a set of user equipments (UEs). Groups of user equipments are determined, with each group being formed of UEs having a competitive access to time resource. UEs of different groups are independent performance-wise when activated concurrently. A topology of a main block is built and provided to a centralized network configuration node. The topology comprises N network-side ports, a network port being associated with a corresponding group of user equipments, P device-side ports, a device-side port being associated with a corresponding user equipment, and P internal links, an internal link connecting a device-side port associated to a user equipment of a given group with the network-side port associated to the given group. The invention further relates to a corresponding communication system and a corresponding computer program.

Abstract: The invention relates to a method for providing feedback to an application, the method being implemented by at least one network function of a mobile communication network, the method comprising:—obtaining an applicative request indicating a reference quality-of-service profile and at least one alternative quality-of-service profile; and—providing feedback information relating to a probability of fluctuation of quality-of-service output by the mobile communication network for the application function over a time period between a plurality of levels, a level corresponding to a quality-of-service profile indicated in the applicative request. The invention further relates to a corresponding device and to a corresponding computer program.

Abstract: The invention relates to a method, comprising: obtaining a first set of radio resources available to send a forward packet from a first user equipment; obtaining a second set of radio resources available to perform an operation related to the forward packet; selecting, among said first set of radio resources, a first radio resource having a first time so that at least one second radio resource from the second set is comprised in a time window having a lower bound after said first time and an upper bound defined according to at least one of said forward packet; sending, by the first user equipment, said forward packet using said first radio resource.

Abstract: A method for learning QoS performance inter-dependence of a plurality of communication links in a network managed by a central node, wherein the plurality of wireless links interface with a common application applying a joint figure of merit, comprising: selecting at least two links among the plurality of communication links; generating training requests respectively for each selected link; measuring QoS performance on each selected link for the training requests; and combining the measured QoS performance of the selected links, so as to obtain the QoS performance inter-dependence between the selected links.

Abstract: The invention relates to a method for determining a repartition of a set of user equipments handled by a wireless communication system. The wireless communication system comprises a core network component comprising a network functional entity (NWDAF and/or NET). The method comprises, at the network functional entity, obtaining a grouping criterion from a requesting party, and providing to the requesting party a repartition of at least part of the set of user equipments into groups of user equipments formed according to said grouping criterion. The invention further relates to a corresponding communication system and a corresponding computer program.

Abstract: A method for allocating a radio resource in a system comprising a resource scheduler and a set of devices is disclosed. Each device hosts at least one application, each application transmitting messages to at least one receiver on a transmission channel. The resource scheduler first receives, from each application, application parameters representative of application's requirements. Then, it computes, for each application, a metric responsive to at least part of the received application parameters, to an average probability of failure of said application and further to a channel error probability of said transmission channel. The metrics are compared and, responsive to said comparison, it selects the application to allocate the radio resource to. The average probability of failure each application is further updated. Finally, it transmits an instantaneous probability of failure to each application, said instantaneous probability of failure being used by said application to update its application parameters.

Abstract: The invention relates to a method for optimizing a capacity of a communication channel in a communication system comprising at least a transmitter, a receiver, said communication channel between the transmitter and the receiver, and a channel conditional probability distribution estimator. The transmitter transmits messages conveyed by a signal associated with a transmission probability according to an input signal probability distribution estimated by said estimator. The transmitter takes at least the messages as inputs and outputs the signal to be transmitted on the channel. The channel takes the transmitted signal as an input and outputs a received signal which is processed at the receiver in order to decode the transmitted message. The probability distribution for each possible transmitted signal is estimated from at least output signals received at the receiver, and by using a collapsed Gibbs sampling relying on a Dirichlet process.

Abstract: The invention relates to a method for clustering data flows established through a wireless bridge of a communication system within a time-sensitive network. The method comprises obtaining, at a functional entity of a core network component of the wireless bridge, for a plurality of data flows, indicators of a sequential communication performance and of a concurrent communication performance of each said data flow. The data flows are then clustered based on the obtained indicators, such that two given data flows are independent if the difference between the sequential communication performance and the concurrent communication performance is lower than a predetermined threshold, and are otherwise dependent, any two data flows belonging to two different clusters are independent, and any two data flows of the same cluster are dependent. The invention further relates to a corresponding communication system and a corresponding computer program.

Abstract: The disclosure relates to a method for calculating capabilities of a WB in a communication system within a TSN network. The WB comprises at least a UPF, a BS and a UE. The UPF comprises at least one NW port enabling communication between said BS and a first subnetwork. The UE is wirelessly connected, within the TSN network, to said BS, and comprises a DS port enabling communication with a second subnetwork. The method is performed at the WB and comprises estimating a performance capacity of the wireless connection between the BS and the UE based on information related to an intended network usage for time-sensitive communication at the WB, and calculating the TSN capabilities of the WB corresponding to the estimated performance capacity. The disclosure further relates to a corresponding communication system.

Abstract: Methods and products for processing stream requests are provided. Upon obtaining the stream requests, an initial TSN scheduling is computed at a CNC based on an initial TSN capability obtained from a dynamic bridge (DB). Then, a loop is started. At each iteration, it is determined, based on information related at least to the last computed TSN scheduling, whether or not to provide information related to an updated TSN capability of the DB to the CNC. If it is decided to provide said information, the CNC computes, based on said information, an updated TSN scheduling. Else, the loop is exited. It is determined, based on at least one computed TSN scheduling, whether to configure the TSN according to one of said at least one computed TSN scheduling or to request an adjustment of at least one stream request.

Abstract: A method for transmitting binary data using a M-ASK constellation divided into M/2 sets of two symbols is disclosed. Each set of index i comprises the ith and ith+M/2 symbols of the constellation and is associated with a probability pi of transmitting the first symbol of the set. First, m?1 bits are obtained from an equiprobable binary source where m=log2M. A binary source is then selected in a plurality of binary sources responsive to said m?1 bits, each binary source of index i being associated with a probability of outputting a bit zero equal to pi. A symbol of the M-ASK constellation is obtained that is associated with the binary word formed by the m?1 bits as less significant bits and a bit obtained from the selected source as most significant bit. The symbol is finally transmitted to a receiver over a communication channel.

Abstract: A method for geolocating an interference source in a communication-based transport system, wherein the communication-based transport system comprises: —a plurality of interference sources, distributed in a space and respectively emitting signal, —a vehicle, moving along a known trajectory, receiving the signal from the interference sources, and measuring the signal strength of the signal of only one interference source at a time instance; the method comprising: —separating the interference sources by clustering the signal strength of the signal with a clustering method; —estimating the locations of the interference sources in the space based on the separated interference sources.